"Mrs. Doubtfire" star Robin Williams no doubt wants to focus on his continued commitment to maintain his sobriety as he returns to a rehab center in Minnesota.

The star's representative confirmed that Williams will be staying at Hazelden Addiction Treatment Center for weeks, assuring fans that he has not fallen off the grid, but rather simply wanted to keep his focus on his commitment to be alcohol-free.

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Williams’s rep maintains that after spending too much time on work, the actor decided to take his time off at The Lodge, known for helping patients maintain long-term sobriety.

"After working back-to-back projects, Robin is simply taking the opportunity to fine-tune and focus on his continued commitment, of which he remains extremely proud," the rep for Williams was quoted as saying.

The Lodge has been described by the facility's website as a place which “immerse you in the Twelve Step design for living that can inform and transform every aspect of your life,” noting that Williams is planning on staying in the center for weeks.

It’s no secret that the "Dead Poet Society" star has been open about the challenges he had faced with alcohol. Williams admitted being addicted to cocaine in the 1970s and the 1980s, noted Mail Online. KDramaStars said in a separate report that Williams maintained his sobriety for 20 years until he suffered a relapse while filming "The Big White" in 2006.

Citing Daily Digest News, KDramaStars added that Williams entered rehab in mid-2000 and “came out a renewed man.” He stayed clear of rehab centers for years until he sought treatment from The Lodge in June this year.

"It's hard admitting it, once you've done that, it's real easy. You think people don't notice. Then you find out later, 'We knew... You went outside naked.' No, I didn't. But even the dog was like, 'What's wrong, boy?' Humiliation gives you humility," Williams was quoted as telling “Good Morning America,” by KDramaStars.

He continued, "Addiction waits. It lays in wait for the time when you think, 'It's fine now, I'm OK.' Then, the next thing you know, it's not OK."

Williams was last spotted at a Dairy Queen in Lindstrom, Minnesota on June 29, Sunday. Posing with an employee of the establishment in a photo that was later posted on the company’s Facebook page, the 62-year old actor “looked noticeably thin in a dark shirt and pants,” said New York Daily News.

TagsRobin Williams, Rehab, The Lodge, alcoholism, Hazelden Addiction Treatment Center, sobriety, recovery